console.log('main.js loaded');
$(document).ready(function () {
    'use strict';
    paper.install(window);//将Paper.js注册为全局变量
    paper.setup(document.getElementById('mainCanvas'));

    var c =Shape.Circle(200,200,50);//圆心的x，y坐标以及半径
    c.fillColor = 'pink';//填充颜色为粉色

    paper.view.draw();
    console.log('main.js loaded');
});